Aurelien Jarno | 34cc662 | 2007-09-25 15:42:09 +0200 | [diff] [blame] | 1 | /* |
| 2 | * This file is subject to the terms and conditions of the GNU General Public |
| 3 | * License. See the file "COPYING" in the main directory of this archive |
| 4 | * for more details. |
| 5 | * |
| 6 | * Copyright (C) 2007 Aurelien Jarno <aurelien@aurel32.net> |
| 7 | */ |
| 8 | |
| 9 | #ifndef __BCM47XX_GPIO_H |
| 10 | #define __BCM47XX_GPIO_H |
| 11 | |
Aurelien Jarno | b06f3e1 | 2008-10-14 11:44:26 +0200 | [diff] [blame] | 12 | #include <linux/ssb/ssb_embedded.h> |
| 13 | #include <asm/mach-bcm47xx/bcm47xx.h> |
| 14 | |
Aurelien Jarno | 34cc662 | 2007-09-25 15:42:09 +0200 | [diff] [blame] | 15 | #define BCM47XX_EXTIF_GPIO_LINES 5 |
| 16 | #define BCM47XX_CHIPCO_GPIO_LINES 16 |
| 17 | |
Aurelien Jarno | b06f3e1 | 2008-10-14 11:44:26 +0200 | [diff] [blame] | 18 | extern int gpio_request(unsigned gpio, const char *label); |
| 19 | extern void gpio_free(unsigned gpio); |
| 20 | extern int gpio_to_irq(unsigned gpio); |
Aurelien Jarno | 34cc662 | 2007-09-25 15:42:09 +0200 | [diff] [blame] | 21 | |
| 22 | static inline int gpio_get_value(unsigned gpio) |
| 23 | { |
Aurelien Jarno | b06f3e1 | 2008-10-14 11:44:26 +0200 | [diff] [blame] | 24 | return ssb_gpio_in(&ssb_bcm47xx, 1 << gpio); |
Aurelien Jarno | 34cc662 | 2007-09-25 15:42:09 +0200 | [diff] [blame] | 25 | } |
| 26 | |
| 27 | static inline void gpio_set_value(unsigned gpio, int value) |
| 28 | { |
Aurelien Jarno | b06f3e1 | 2008-10-14 11:44:26 +0200 | [diff] [blame] | 29 | ssb_gpio_out(&ssb_bcm47xx, 1 << gpio, value ? 1 << gpio : 0); |
Aurelien Jarno | 34cc662 | 2007-09-25 15:42:09 +0200 | [diff] [blame] | 30 | } |
| 31 | |
| 32 | static inline int gpio_direction_input(unsigned gpio) |
| 33 | { |
Aurelien Jarno | b06f3e1 | 2008-10-14 11:44:26 +0200 | [diff] [blame] | 34 | return ssb_gpio_outen(&ssb_bcm47xx, 1 << gpio, 0); |
Aurelien Jarno | 34cc662 | 2007-09-25 15:42:09 +0200 | [diff] [blame] | 35 | } |
| 36 | |
| 37 | static inline int gpio_direction_output(unsigned gpio, int value) |
| 38 | { |
Aurelien Jarno | b06f3e1 | 2008-10-14 11:44:26 +0200 | [diff] [blame] | 39 | return ssb_gpio_outen(&ssb_bcm47xx, 1 << gpio, 1 << gpio); |
| 40 | } |
| 41 | |
| 42 | static int gpio_intmask(unsigned gpio, int value) |
| 43 | { |
| 44 | return ssb_gpio_intmask(&ssb_bcm47xx, 1 << gpio, |
| 45 | value ? 1 << gpio : 0); |
| 46 | } |
| 47 | |
| 48 | static int gpio_polarity(unsigned gpio, int value) |
| 49 | { |
| 50 | return ssb_gpio_polarity(&ssb_bcm47xx, 1 << gpio, |
| 51 | value ? 1 << gpio : 0); |
Aurelien Jarno | 34cc662 | 2007-09-25 15:42:09 +0200 | [diff] [blame] | 52 | } |
| 53 | |
| 54 | |
| 55 | /* cansleep wrappers */ |
| 56 | #include <asm-generic/gpio.h> |
| 57 | |
| 58 | #endif /* __BCM47XX_GPIO_H */ |